Which of the following statements about the effect of aerobic exercise on muscles is false?
A) Aerobic exercise increases the size, rather than the number, of muscle fibers.
B) Aerobic exercise increases the number of mitochondria.
C) Aerobic exercise increases the enzymes involved in energy use.
D) Aerobic exercise increases the density of capillaries delivering oxygen to the muscles.
E) Aerobic exercise increases the production of myoglobin.

Question

Quizplus · Accepted Answer

Aerobic exercise does not increase the size of muscle fibers, it rather causes an increase in the number of mitochondria, enzymes involved in energy use, density of capillaries delivering oxygen to the muscles, and myoglobin production. Resistance training is what leads to an increase in the size (hypertrophy) of muscle fibers.

Which of the Following Statements About the Effect of Aerobic